Tetrinic acid
[化] 特春酸; α-甲基特窗酸
🧩 词语组成解析
🗣️ 情景例句
What sort of experience do you have?
你有什么样的经历？
There have been a lot of changes here in the last 20 years.
在这20年里这里有很多变化。
Last year, however, it came into use.
然而去年机场开始使用了。